Alternative form of permafrown

(military) The rear rank of a body of troops when faced about and standing in that position.

(humorous) Used with an imaginary low score in a competition.

A nail with a sharp head, driven into a horseshoe to keep the horse from slipping.

A phenomenon resembling smoke, caused by congelation of vapor in the atmosphere in times of severe cold.

(historical) A lamp placed below the oil tube of an Argand lamp to keep the oil limpid on cold nights; used especially in lighthouses.

Cold so intense as to freeze vegetation and turn it black, without the formation of hoarfrost.

An upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil.

plural of frost-bearer

cryophorus